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20 HT/GT

20 HT/GT
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Chemineer™ Model 20 HT/GT Agitators Efficient and Versatile Performance

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Premium Performance The Model 20 HT/GT units feature a gearbox designed specifically for agitator service. Available in right angle (HT) and parallel shaft (GT) configurations, this rugged performer can be tailored to meet virtually any process, from critical chemical reactor systems to storage applications. Combining the benefits of the HT and GT time proven agitators into a modular design package, the Mixing Technologies Group of NOV provides solutions to optimize your mixing applications today and flexibility to handle your changing requirements in the future. The Model 20 HT/GT is...

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Features Benefits

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Seal Features and Benefits Features Benefits

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Sealing and Mounting Options Open Tank • Drive Mounted to Beams Using a heavy duty, cast housing capable of handling maximum loads, the agitator mounts readily to support beams or similar structures for common open tank applications. Auxiliary seals are an option. • Pedestal Mounted to Beams The rugged, cast iron pedestal of the agitator raises the gear drive 10 to 14 inches away from the support structure to prevent exposure of the drive to the fluid and to facilitate service. Closed Tank-Seal Options • Lip Seal The spring loaded, nitrile rubber lip seal protects process fluid from...

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Shaft Design Both process and mechanical considerations determine shaft design. Shafts are sized to resist torsional loads and bending moments induced by hydraulic forces acting on the impeller, as well as to avoid excessive vibration due to the coincidence of critical frequencies and operating speed. Shafting is straightened to tight tolerances for long seal life and smooth operation — less than 0.003 inches total run out per foot of shaft length (0.25 mm per meter). Custom couplings, impellers, shafts and steady bearings are available upon request, including sanitary designs. Types...

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Impeller Technology Our impeller technology is effectively applied across any spectrum of applications ensuring successful, repeatable results from lab scale to full scale operations. Our mixing expertise includes high flow, low shear liquid-liquid agitation, solids suspension, gas dispersion, high shear blending and viscous mixing. Whether it is R&D or production phase, we have the expertise to solve your mixing challenges.

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Dimensions Agitator Dimensions Bolt Pattern Case Size 8" — 150# ANSI (holes straddle center line) 10" — 150# ANSI (holes on center line) 12" — 150# ANSI (holes straddle center line) 14" — 150# ANSI (holes straddle center line) 8" — 150# ANSI (holes straddle center line) 10" — 150# ANSI (holes on center line) 12" — 150# ANSI (holes straddle center line) 14" — 150# ANSI (holes straddle center line) 1 Agitator output speed, shaft diameter and extension, impeller design and other optional features to suit application 2 Alternate flange sizes are available HT F: FLANGE MOUNTING BOLT PATTERN E...

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The Chemineer Advanced Design Initiative brings proven technical expertise to each mixing solution, from basic mixer and impeller design through complex process application analysis. Continuing research in both mechanical and process aspects of mixing allows us to provide high quality and high value products and services. Combined with proprietary data evaluation methodology and extensive field experience, we provide the most accurate application evaluation possible. Let us optimize your application, saving you time and money, by applying our experience and state of the art tools, such as:...

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At NOV we offer customers immediate assistance to help achieve operating performance goals for agitation and mixing processes. This is accomplished in two ways: ensuring replacement parts and services are available in a timely manner to increase the “uptime” of your systems, and ensuring customers are offered the latest technology to improve the performance of agitation and mixing systems. The Right Part Every Time We provide drop in replacement parts of standard and custom Chemineer agitator components, minimizing installation problems like improper fit up or alignment. Chemineer...

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National Oilwell Varco has produced this brochure for general information only, and it is not intended for design purposes. Although every effort has been made to maintain the accuracy and reliability of its contents, National Oilwell Varco in no way assumes responsibility for liability for any loss, damage or injury resulting from the use of information and data herein. All applications for the material described are at the user’s risk and are the user’s responsibility. © 2015 National Oilwell Varco | AH Rights Reserved Bulletin 705 Rev 02 Corporate Headquarters 7909 Parkwood Circle Drive...

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